CN104997035A - An extraction method of soluble dietary fiber - Google Patents
An extraction method of soluble dietary fiber Download PDFInfo
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- CN104997035A CN104997035A CN201510529251.3A CN201510529251A CN104997035A CN 104997035 A CN104997035 A CN 104997035A CN 201510529251 A CN201510529251 A CN 201510529251A CN 104997035 A CN104997035 A CN 104997035A
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- 235000013325 dietary fiber Nutrition 0.000 title claims abstract description 80
- 238000000605 extraction Methods 0.000 title abstract description 9
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims abstract description 72
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000000463 material Substances 0.000 claims abstract description 33
- 238000007873 sieving Methods 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims abstract description 13
- 238000005406 washing Methods 0.000 claims abstract description 13
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229940094952 green tea extract Drugs 0.000 claims abstract description 12
- 235000020688 green tea extract Nutrition 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 235000020748 rosemary extract Nutrition 0.000 claims abstract description 12
- 238000003756 stirring Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 68
- 230000008569 process Effects 0.000 claims description 47
- 235000012054 meals Nutrition 0.000 claims description 22
- 230000007062 hydrolysis Effects 0.000 claims description 12
- 238000006460 hydrolysis reaction Methods 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 11
- 238000010792 warming Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 abstract 2
- 239000000843 powder Substances 0.000 abstract 2
- 239000002994 raw material Substances 0.000 abstract 2
- 238000002791 soaking Methods 0.000 abstract 2
- 238000002604 ultrasonography Methods 0.000 abstract 2
- 239000002657 fibrous material Substances 0.000 abstract 1
- 230000003301 hydrolyzing effect Effects 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229940092258 rosemary extract Drugs 0.000 abstract 1
- 239000001233 rosmarinus officinalis l. extract Substances 0.000 abstract 1
- HVYWMOMLDIMFJA-DPAQBDIFSA-N cholesterol Chemical compound C1C=C2C[C@@H](O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2 HVYWMOMLDIMFJA-DPAQBDIFSA-N 0.000 description 4
- 238000011084 recovery Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 235000012000 cholesterol Nutrition 0.000 description 2
- 230000001079 digestive effect Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 240000000560 Citrus x paradisi Species 0.000 description 1
- 206010009944 Colon cancer Diseases 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
- 229920001202 Inulin Polymers 0.000 description 1
- 235000007688 Lycopersicon esculentum Nutrition 0.000 description 1
- 240000003768 Solanum lycopersicum Species 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 235000009754 Vitis X bourquina Nutrition 0.000 description 1
- 235000012333 Vitis X labruscana Nutrition 0.000 description 1
- 240000006365 Vitis vinifera Species 0.000 description 1
- 235000014787 Vitis vinifera Nutrition 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 235000014633 carbohydrates Nutrition 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 208000029742 colonic neoplasm Diseases 0.000 description 1
- 235000005911 diet Nutrition 0.000 description 1
- 230000037213 diet Effects 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- JYJIGFIDKWBXDU-MNNPPOADSA-N inulin Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)OC[C@]1(OC[C@]2(OC[C@]3(OC[C@]4(OC[C@]5(OC[C@]6(OC[C@]7(OC[C@]8(OC[C@]9(OC[C@]%10(OC[C@]%11(OC[C@]%12(OC[C@]%13(OC[C@]%14(OC[C@]%15(OC[C@]%16(OC[C@]%17(OC[C@]%18(OC[C@]%19(OC[C@]%20(OC[C@]%21(OC[C@]%22(OC[C@]%23(OC[C@]%24(OC[C@]%25(OC[C@]%26(OC[C@]%27(OC[C@]%28(OC[C@]%29(OC[C@]%30(OC[C@]%31(OC[C@]%32(OC[C@]%33(OC[C@]%34(OC[C@]%35(OC[C@]%36(O[C@@H]%37[C@@H]([C@@H](O)[C@H](O)[C@@H](CO)O%37)O)[C@H]([C@H](O)[C@@H](CO)O%36)O)[C@H]([C@H](O)[C@@H](CO)O%35)O)[C@H]([C@H](O)[C@@H](CO)O%34)O)[C@H]([C@H](O)[C@@H](CO)O%33)O)[C@H]([C@H](O)[C@@H](CO)O%32)O)[C@H]([C@H](O)[C@@H](CO)O%31)O)[C@H]([C@H](O)[C@@H](CO)O%30)O)[C@H]([C@H](O)[C@@H](CO)O%29)O)[C@H]([C@H](O)[C@@H](CO)O%28)O)[C@H]([C@H](O)[C@@H](CO)O%27)O)[C@H]([C@H](O)[C@@H](CO)O%26)O)[C@H]([C@H](O)[C@@H](CO)O%25)O)[C@H]([C@H](O)[C@@H](CO)O%24)O)[C@H]([C@H](O)[C@@H](CO)O%23)O)[C@H]([C@H](O)[C@@H](CO)O%22)O)[C@H]([C@H](O)[C@@H](CO)O%21)O)[C@H]([C@H](O)[C@@H](CO)O%20)O)[C@H]([C@H](O)[C@@H](CO)O%19)O)[C@H]([C@H](O)[C@@H](CO)O%18)O)[C@H]([C@H](O)[C@@H](CO)O%17)O)[C@H]([C@H](O)[C@@H](CO)O%16)O)[C@H]([C@H](O)[C@@H](CO)O%15)O)[C@H]([C@H](O)[C@@H](CO)O%14)O)[C@H]([C@H](O)[C@@H](CO)O%13)O)[C@H]([C@H](O)[C@@H](CO)O%12)O)[C@H]([C@H](O)[C@@H](CO)O%11)O)[C@H]([C@H](O)[C@@H](CO)O%10)O)[C@H]([C@H](O)[C@@H](CO)O9)O)[C@H]([C@H](O)[C@@H](CO)O8)O)[C@H]([C@H](O)[C@@H](CO)O7)O)[C@H]([C@H](O)[C@@H](CO)O6)O)[C@H]([C@H](O)[C@@H](CO)O5)O)[C@H]([C@H](O)[C@@H](CO)O4)O)[C@H]([C@H](O)[C@@H](CO)O3)O)[C@H]([C@H](O)[C@@H](CO)O2)O)[C@@H](O)[C@H](O)[C@@H](CO)O1 JYJIGFIDKWBXDU-MNNPPOADSA-N 0.000 description 1
- 229940029339 inulin Drugs 0.000 description 1
- -1 moisture Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000001814 pectin Substances 0.000 description 1
- 229920001277 pectin Polymers 0.000 description 1
- 235000010987 pectin Nutrition 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 210000000813 small intestine Anatomy 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
Landscapes
- Coloring Foods And Improving Nutritive Qualities (AREA)
Abstract
The present invention discloses an extraction method of soluble dietary fiber. The steps comprise: adding dietary fiber material into ethyl acetate, carrying out heating and soaking, drying the material after washing, crushing and sifting the material to obtain raw material powder; adding the raw material powder into water, carrying out an ultrasonic processing after stirring so as to obtain the ultrasound-treated product; putting the ultrasound-treated product in a microwave apparatus for a microwave processing to obtain the microwave-treated product; adding the microwave-treated product into a sulfuric acid solution with a mass fraction of 10-15%, heating the solution to 40-55 DEG C, hydrolyzing for 2-4 h; adding rosemary extract and green tea extract and soaking for 20-50 min, then adding the mixture into absolute ethyl alcohol, such that the soluble dietary fiber can be obtained after solid-liquid separating, washing, drying, crushing and sieving.
Description
Technical field
The present invention relates to extractive technique field, particularly relate to a kind of extracting method of soluble dietary fiber.
Background technology
Dietary fiber refers to the polymer of carbohydrate that is naturally occurring in plant, extraction or that synthesize, its degree of polymerization DP >=3, can not be digested and assimilated by human small intestine, material to human body unsoundness meaning, comprise cellulose, hemicellulose, pectin, inulin and some other dietary fiber monomer component etc.Dietary fiber is that health diet is indispensable, and on the one hand, fiber can clean wall of digestive and strengthen digestive function, simultaneously can dilute and add removing of carcinogen in food and noxious material, the alimentary canal that protection is fragile and preventing colon cancer; The blood sugar in blood and cholesterol on the other hand, digestion rate and most rapid drainage cholesterol can be slowed down, so can be allowed to control in optimal level.
Dietary fiber can be divided into soluble dietary fiber and insoluble dietary fiber by its dissolubility.Containing impurity such as moisture, ash content, fat, starch and protein in the materials such as tomato skin, Grape Skin, pomelo peel, also containing soluble dietary fiber (SDF), but its content is lower.Therefore first need to remove impurity by certain means when preparing dietary fiber and improve its purity, but the extraction process of existing soluble dietary fiber is not quite reasonable, extraction time is long and recovery rate is low.
Summary of the invention
The object of the invention is to solve the shortcoming existed in prior art, and the extracting method of a kind of soluble dietary fiber proposed, it is short that it has extraction time, the advantage that recovery rate is high, and the dietary fiber that can be used for multiple dietary fibre materials extracts.
To achieve these goals, present invention employs following technical scheme:
An extracting method for soluble dietary fiber, comprises the following steps:
S1, dietary fibre materials is added in ethyl acetate, after being warming up to 30-35 DEG C, soak 1-2.5h, dry at 80-90 DEG C after cleaning, then add in pulverizer and pulverize, after sieving, obtain raw meal;
S2, raw meal to be added to the water, after stirring 3-10min, to carry out the ultrasonic product of ultrasonic process acquisition; Wherein, the temperature of ultrasonic process is 60-65 DEG C, and the power of ultrasonic process is 70-90W, and the time of ultrasonic process is 3-5min;
S3, ultrasonic product put into microwave device and carry out microwave treatment and obtain microwave product; Wherein the time of microwave treatment is 1-2min, and the power of microwave treatment is 1300-1500W;
S4, microwave product is added mass fraction is in the sulfuric acid solution of 10-15%, be heated to 40-55 DEG C, hydrolysis 2-4h, add Rosmarinus officinalis extract and green-tea extract, soak 20-50min then add in absolute ethyl alcohol, through Separation of Solid and Liquid, washing, drying, pulverize, sieving obtains described soluble dietary fiber.
Preferably, in S1, the volume ratio of dietary fibre materials and ethyl acetate is 1:5-10.
Preferably, in S4, the volume ratio of microwave product and sulfuric acid solution is 1:10-20.
Preferably, the extracting method of described soluble dietary fiber, comprises the following steps:
S1, add in ethyl acetate by dietary fibre materials, wherein, the volume ratio of dietary fibre materials and ethyl acetate is 1:7-9,1.3-2h is soaked after being warming up to 32-35 DEG C, dry at 84-87 DEG C after cleaning, then add in pulverizer and pulverize, after crossing 100-120 mesh sieve, obtain raw meal;
S2, raw meal to be added to the water, after stirring 5-9min, to carry out the ultrasonic product of ultrasonic process acquisition; Wherein, the temperature of ultrasonic process is 62-65 DEG C, and the power of ultrasonic process is 78-85W, and the time of ultrasonic process is 3.8-4.5min;
S3, ultrasonic product put into microwave device and carry out microwave treatment and obtain microwave product; Wherein the time of microwave treatment is 1.2-1.8min, and the power of microwave treatment is 1380-1420W;
S4, microwave product is added mass fraction is in the sulfuric acid solution of 12-14%, wherein, microwave product is 1:12-17 with the ratio of the volume of sulfuric acid solution, be heated to 47-52 DEG C, hydrolysis 2.8-3.6h, add Rosmarinus officinalis extract and green-tea extract, soak 35-40min then add in absolute ethyl alcohol, through Separation of Solid and Liquid, washing, drying, pulverize, sieving obtains described soluble dietary fiber.
Preferably, the extracting method of described soluble dietary fiber, comprises the following steps:
S1, add in ethyl acetate by dietary fibre materials, wherein, the volume ratio of dietary fibre materials and ethyl acetate is 1:8,1.7h is soaked after being warming up to 33 DEG C, dry at 86 DEG C after cleaning, then add in pulverizer and pulverize, after crossing 105 mesh sieves, obtain raw meal;
S2, raw meal to be added to the water, after stirring 7min, to carry out the ultrasonic product of ultrasonic process acquisition; Wherein, the temperature of ultrasonic process is 64 DEG C, and the power of ultrasonic process is 80W, and the time of ultrasonic process is 4min;
S3, ultrasonic product put into microwave device and carry out microwave treatment and obtain microwave product; Wherein the time of microwave treatment is 1.6min, and the power of microwave treatment is 1400W;
S4, microwave product is added mass fraction is in the sulfuric acid solution of 13%, wherein, microwave product is 1:15 with the ratio of the volume of sulfuric acid solution, be heated to 48 DEG C, hydrolysis 3h, add Rosmarinus officinalis extract and green-tea extract, soak 38min then add in absolute ethyl alcohol, through Separation of Solid and Liquid, washing, drying, pulverize, sieving obtains described soluble dietary fiber.
In the extracting method of soluble dietary fiber of the present invention, first add ethyl acetate and dietary fibre materials is soaked, then pulverize, the soluble dietary fiber in dietary fibre materials is easily hydrolyzed in follow-up process; Carry out ultrasonic process afterwards, by strong ultrasonic vibration, reduce the tightness degree of dietary fibre materials organization internal, carry with microwave and acid and combining, by optimizing the parameter of each technique, ultrasonic process, microwave and acid are carried collaborative, avoid the sex change of dietary fiber in dietary fibre materials, improve the hydrolysis rate of soluble dietary fiber simultaneously, and make part insoluble diedairy fiber change soluble dietary fiber into, while improving soluble dietary fiber recovery rate, shorten the extraction time of soluble dietary fiber.
The extracting method technique of soluble dietary fiber of the present invention is simpler, and cost is low, can be used for the extraction of soluble dietary fiber in multiple dietary fibre materials, the soluble dietary fiber purity obtained is high, materialization better function, edible safety is reliable, can provide reference frame, have important application prospect for the extraction of soluble dietary fiber.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with specific embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Embodiment 1
An extracting method for soluble dietary fiber, comprises the following steps:
S1, add in ethyl acetate by dietary fibre materials, wherein, the volume ratio of dietary fibre materials and ethyl acetate is 1:8,1.7h is soaked after being warming up to 33 DEG C, dry at 86 DEG C after cleaning, then add in pulverizer and pulverize, after crossing 105 mesh sieves, obtain raw meal;
S2, raw meal to be added to the water, after stirring 7min, to carry out the ultrasonic product of ultrasonic process acquisition; Wherein, the temperature of ultrasonic process is 64 DEG C, and the power of ultrasonic process is 80W, and the time of ultrasonic process is 4min;
S3, ultrasonic product put into microwave device and carry out microwave treatment and obtain microwave product; Wherein the time of microwave treatment is 1.6min, and the power of microwave treatment is 1400W;
S4, microwave product is added mass fraction is in the sulfuric acid solution of 13%, wherein, microwave product is 1:15 with the ratio of the volume of sulfuric acid solution, be heated to 48 DEG C, hydrolysis 3h, add Rosmarinus officinalis extract and green-tea extract, soak 38min then add in absolute ethyl alcohol, through Separation of Solid and Liquid, washing, drying, pulverize, sieving obtains described soluble dietary fiber.
Embodiment 2
An extracting method for soluble dietary fiber, comprises the following steps:
S1, add in ethyl acetate by dietary fibre materials, wherein, the volume ratio of dietary fibre materials and ethyl acetate is 1:5, soaks 1h after being warming up to 35 DEG C, dries, then add in pulverizer and pulverize after cleaning at 90 DEG C, obtains raw meal after crossing 80 mesh sieves;
S2, raw meal to be added to the water, after stirring 3min, to carry out the ultrasonic product of ultrasonic process acquisition; Wherein, the temperature of ultrasonic process is 65 DEG C, and the power of ultrasonic process is 70W, and the time of ultrasonic process is 5min;
S3, ultrasonic product put into microwave device and carry out microwave treatment and obtain microwave product; Wherein the time of microwave treatment is 1min, and the power of microwave treatment is 1500W;
S4, microwave product is added mass fraction is in the sulfuric acid solution of 10%, wherein, microwave product is 1:20 with the ratio of the volume of sulfuric acid solution, be heated to 40 DEG C, hydrolysis 4h, add Rosmarinus officinalis extract and green-tea extract, soak 50min then add in absolute ethyl alcohol, through Separation of Solid and Liquid, washing, drying, pulverize, sieving obtains described soluble dietary fiber.
Embodiment 3
An extracting method for soluble dietary fiber, comprises the following steps:
S1, add in ethyl acetate by dietary fibre materials, wherein, the volume ratio of dietary fibre materials and ethyl acetate is 1:10,2.5h is soaked after being warming up to 30 DEG C, dry at 80 DEG C after cleaning, then add in pulverizer and pulverize, after crossing 150 mesh sieves, obtain raw meal;
S2, raw meal to be added to the water, after stirring 10min, to carry out the ultrasonic product of ultrasonic process acquisition; Wherein, the temperature of ultrasonic process is 60 DEG C, and the power of ultrasonic process is 90W, and the time of ultrasonic process is 3min;
S3, ultrasonic product put into microwave device and carry out microwave treatment and obtain microwave product; Wherein the time of microwave treatment is 2min, and the power of microwave treatment is 1300W;
S4, microwave product is added mass fraction is in the sulfuric acid solution of 15%, wherein, microwave product is 1:10 with the ratio of the volume of sulfuric acid solution, be heated to 55 DEG C, hydrolysis 2h, add Rosmarinus officinalis extract and green-tea extract, soak 20min then add in absolute ethyl alcohol, through Separation of Solid and Liquid, washing, drying, pulverize, sieving obtains described soluble dietary fiber.
Embodiment 4
An extracting method for soluble dietary fiber, comprises the following steps:
S1, add in ethyl acetate by dietary fibre materials, wherein, the volume ratio of dietary fibre materials and ethyl acetate is 1:9,2h is soaked after being warming up to 32 DEG C, dry at 84 DEG C after cleaning, then add in pulverizer and pulverize, after crossing 120 mesh sieves, obtain raw meal;
S2, raw meal to be added to the water, after stirring 5min, to carry out the ultrasonic product of ultrasonic process acquisition; Wherein, the temperature of ultrasonic process is 65 DEG C, and the power of ultrasonic process is 78W, and the time of ultrasonic process is 4.5min;
S3, ultrasonic product put into microwave device and carry out microwave treatment and obtain microwave product; Wherein the time of microwave treatment is 1.2min, and the power of microwave treatment is 1420W;
S4, microwave product is added mass fraction is in the sulfuric acid solution of 12%, wherein, microwave product is 1:17 with the ratio of the volume of sulfuric acid solution, be heated to 47 DEG C, hydrolysis 3.6h, add Rosmarinus officinalis extract and green-tea extract, soak 35min then add in absolute ethyl alcohol, through Separation of Solid and Liquid, washing, drying, pulverize, sieving obtains described soluble dietary fiber.
Embodiment 5
An extracting method for soluble dietary fiber, comprises the following steps:
S1, add in ethyl acetate by dietary fibre materials, wherein, the volume ratio of dietary fibre materials and ethyl acetate is 1:7,1.3h is soaked after being warming up to 35 DEG C, dry at 87 DEG C after cleaning, then add in pulverizer and pulverize, after crossing 100 mesh sieves, obtain raw meal;
S2, raw meal to be added to the water, after stirring 9min, to carry out the ultrasonic product of ultrasonic process acquisition; Wherein, the temperature of ultrasonic process is 62 DEG C, and the power of ultrasonic process is 85W, and the time of ultrasonic process is 3.8min;
S3, ultrasonic product put into microwave device and carry out microwave treatment and obtain microwave product; Wherein the time of microwave treatment is 1.8min, and the power of microwave treatment is 1380W;
S4, microwave product is added mass fraction is in the sulfuric acid solution of 14%, wherein, microwave product is 1:12 with the ratio of the volume of sulfuric acid solution, be heated to 52 DEG C, hydrolysis 2.8h, add Rosmarinus officinalis extract and green-tea extract, soak 40min then add in absolute ethyl alcohol, through Separation of Solid and Liquid, washing, drying, pulverize, sieving obtains described soluble dietary fiber.
Claims (5)
1. an extracting method for soluble dietary fiber, is characterized in that, comprises the following steps:
S1, dietary fibre materials is added in ethyl acetate, after being warming up to 30-35 DEG C, soak 1-2.5h, dry at 80-90 DEG C after cleaning, then add in pulverizer and pulverize, after sieving, obtain raw meal;
S2, raw meal to be added to the water, after stirring 3-10min, to carry out the ultrasonic product of ultrasonic process acquisition; Wherein, the temperature of ultrasonic process is 60-65 DEG C, and the power of ultrasonic process is 70-90W, and the time of ultrasonic process is 3-5min;
S3, ultrasonic product put into microwave device and carry out microwave treatment and obtain microwave product; Wherein, the time of microwave treatment is 1-2min, and the power of microwave treatment is 1300-1500W;
S4, microwave product is added mass fraction is in the sulfuric acid solution of 10-15%, be heated to 40-55 DEG C, hydrolysis 2-4h, add Rosmarinus officinalis extract and green-tea extract, soak 20-50min then add in absolute ethyl alcohol, through Separation of Solid and Liquid, washing, drying, pulverize, sieving obtains described soluble dietary fiber.
2. the extracting method of soluble dietary fiber according to claim 1, it is characterized in that, in S1, the volume ratio of dietary fibre materials and ethyl acetate is 1:5-10.
3. the extracting method of soluble dietary fiber according to claim 1, it is characterized in that, in S4, the volume ratio of microwave product and sulfuric acid solution is 1:10-20.
4. the extracting method of soluble dietary fiber according to claim 1, is characterized in that, comprise the following steps:
S1, add in ethyl acetate by dietary fibre materials, wherein, the volume ratio of dietary fibre materials and ethyl acetate is 1:7-9,1.3-2h is soaked after being warming up to 32-35 DEG C, dry at 84-87 DEG C after cleaning, then add in pulverizer and pulverize, after crossing 100-120 mesh sieve, obtain raw meal;
S2, raw meal to be added to the water, after stirring 5-9min, to carry out the ultrasonic product of ultrasonic process acquisition; Wherein, the temperature of ultrasonic process is 62-65 DEG C, and the power of ultrasonic process is 78-85W, and the time of ultrasonic process is 3.8-4.5min;
S3, ultrasonic product put into microwave device and carry out microwave treatment and obtain microwave product; Wherein the time of microwave treatment is 1.2-1.8min, and the power of microwave treatment is 1380-1420W;
S4, microwave product is added mass fraction is in the sulfuric acid solution of 12-14%, wherein, microwave product is 1:12-17 with the ratio of the volume of sulfuric acid solution, be heated to 47-52 DEG C, hydrolysis 2.8-3.6h, add Rosmarinus officinalis extract and green-tea extract, soak 35-40min then add in absolute ethyl alcohol, through Separation of Solid and Liquid, washing, drying, pulverize, sieving obtains described soluble dietary fiber.
5. the extracting method of soluble dietary fiber according to any one of claim 1-4, is characterized in that, comprise the following steps:
S1, add in ethyl acetate by dietary fibre materials, wherein, the volume ratio of dietary fibre materials and ethyl acetate is 1:8,1.7h is soaked after being warming up to 33 DEG C, dry at 86 DEG C after cleaning, then add in pulverizer and pulverize, after crossing 105 mesh sieves, obtain raw meal;
S2, raw meal to be added to the water, after stirring 7min, to carry out the ultrasonic product of ultrasonic process acquisition; Wherein, the temperature of ultrasonic process is 64 DEG C, and the power of ultrasonic process is 80W, and the time of ultrasonic process is 4min;
S3, ultrasonic product put into microwave device and carry out microwave treatment and obtain microwave product; Wherein the time of microwave treatment is 1.6min, and the power of microwave treatment is 1400W;
S4, microwave product is added mass fraction is in the sulfuric acid solution of 13%, wherein, microwave product is 1:15 with the ratio of the volume of sulfuric acid solution, be heated to 48 DEG C, hydrolysis 3h, add Rosmarinus officinalis extract and green-tea extract, soak 38min then add in absolute ethyl alcohol, through Separation of Solid and Liquid, washing, drying, pulverize, sieving obtains described soluble dietary fiber.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112006102A (en) * | 2020-08-17 | 2020-12-01 | 南昌大学 | Multifunctional shaddock peel soluble dietary fiber goat milk beverage and preparation method thereof |
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